17-7 Ph Stainless Steel Features
- Low thermal expansion
- Excellent oxidation resistance
- Non-magnetic
- Good machinability
- High fatigue strength
- Resistant to pitting and crevice corrosion
- High-temperature resistance
- Low maintenance cost
- Resistant to acid and alkali
- Good thermal and electrical conductivity
Leading 17-7 PH Stainless Steel Manufacturer - Tuolian
17-7 PH stainless steel is composed of iron, chromium, nickel, aluminum, and more. The unique combination of these elements gives 17-7 PH stainless steel its exceptional mechanical properties. Thus, it is ideal for use in a broad range of applications.
Tuolian 17-7 PH stainless steel can be heat treated to improve high strength, excellent fatigue resistance, & good ductility. It is also highly resistant to corrosion, particularly in harsh environments where other metals may corrode or degrade over time.
As a reliable stainless steel manufacturer, we are committed to delivering top-notch 17-7 PH stainless steel products that meet the needs of our customers.
Whether you require custom sheets, plates, bars, or any other form of this versatile material for your next projects, Tuolian has the expertise to provide you with the right solution and services. We can cut, weld, or machine 17-7 PH stainless steel based on your requests.
Message us today for more details!
Extensive Applications
- Heat exchangers
- Pressure vessels
- Bolts and fasteners
- Mining components
- Piping and tubing
- Valves and fittings
- Sheet metal components
- Aerospace components
- Automotive components
- Filtration systems
- Machine parts
- Medical implants
- Pharmaceutical industry components
- Petrochemical industry components
- Chemical processing equipment, etc.

Chemical Composition
Element | (C) | (Mn) | (Si) | (P) | (S) | (Cr) | (Ni) | (Al) | (Fe) |
% | 0.09 | 1.00 | 1.00 | 0.040 | 0.030 | 16.00 – 18.00 | 6.50 – 7.50 | 0.75 – 1.50 | Balance |
Mechanical and Physical Properties
Property | Value |
Density | 7.75 g/cm³ |
Melting Point | 1399-1420°C (2550-2588°F) |
Specific Heat Capacity | 500 J/kg-K |
Thermal Conductivity | 17.9 W/m-K |
Modulus of Elasticity | 196 GPa |
Poisson’s Ratio | 0.28 |
Yield Strength | 115 ksi (793 MPa) |
Tensile Strength | 130 ksi (896 MPa) |
Elongation at Break | 40% |
Hardness (Rockwell C) | 38-42 |
Coefficient of Thermal Expansion | 10.3 x 10^-6 /K |